Table 2. Spearman-rank (r_s) and Kendall’s Tau (τ)* correlations.

	Ki-67	IRS CXCR4	IRS SSTR1	IRS SSTR2A	IRS SSTR3	Grading* G1-G3
IRS CXCR4	rs: 0.39 p < 0.001	-				τ: 0.31 p < 0.001
IRS SSTR1	rs: −0.09 p = 0.324	rs: −0.17 p = 0.074	-			τ: −0.09 p = 0.257
IRS SSTR2A	rs: −0.50 p < 0.001	rs: −0.08 p = 0.390	rs: 0.01 p = 0.941	-		τ: −0.45 p < 0.001
IRS SSTR3	rs: −0.20 p = 0.036	rs: −0.18 p = 0.058	rs: 0.25 p = 0.006	rs: 0.48 p < 0.001	-	τ: −0.21 p = 0.008
IRS SSTR5	rs: 0.27 p = 0.003	rs: 0.04 p = 0.690	rs: 0.16 p = 0.085	rs: 0.17 p = 0.061	rs: 0.36 p < 0.001	τ: 0.19 p = 0.016